Gastly is card #67 of 214 in Unbroken Bonds (2019), a Common illustrated by chibi. At about $1.04 it is the #116 most valuable card in the set. In an Unbroken Bonds booster it turns up about once every 11 packs. It is one of 35 Gastly cards printed so far.
1999Base Set
2003Skyridge
2007Diamond & Pearl
2010HS—Triumphant
2016Generations
2019Unbroken Bonds
2020Sword & Shield
2023151

















See the full Unbroken Bonds card list
An ungraded Gastly from Unbroken Bonds sells for about $1.04. A PSA 10 is worth more, roughly $5.20 by our estimate, and a PSA 9 around $2.39.
It is a Common, and it shows up about once every 11 Unbroken Bonds packs.
chibi drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Unbroken Bonds booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.